| /* |
| * Copyright (c) 2005-2011 Atheros Communications Inc. |
| * Copyright (c) 2011-2013 Qualcomm Atheros, Inc. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for any |
| * purpose with or without fee is hereby granted, provided that the above |
| * copyright notice and this permission notice appear in all copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #ifndef _RX_DESC_H_ |
| #define _RX_DESC_H_ |
| |
| enum rx_attention_flags { |
| RX_ATTENTION_FLAGS_FIRST_MPDU = 1 << 0, |
| RX_ATTENTION_FLAGS_LAST_MPDU = 1 << 1, |
| RX_ATTENTION_FLAGS_MCAST_BCAST = 1 << 2, |
| RX_ATTENTION_FLAGS_PEER_IDX_INVALID = 1 << 3, |
| RX_ATTENTION_FLAGS_PEER_IDX_TIMEOUT = 1 << 4, |
| RX_ATTENTION_FLAGS_POWER_MGMT = 1 << 5, |
| RX_ATTENTION_FLAGS_NON_QOS = 1 << 6, |
| RX_ATTENTION_FLAGS_NULL_DATA = 1 << 7, |
| RX_ATTENTION_FLAGS_MGMT_TYPE = 1 << 8, |
| RX_ATTENTION_FLAGS_CTRL_TYPE = 1 << 9, |
| RX_ATTENTION_FLAGS_MORE_DATA = 1 << 10, |
| RX_ATTENTION_FLAGS_EOSP = 1 << 11, |
| RX_ATTENTION_FLAGS_U_APSD_TRIGGER = 1 << 12, |
| RX_ATTENTION_FLAGS_FRAGMENT = 1 << 13, |
| RX_ATTENTION_FLAGS_ORDER = 1 << 14, |
| RX_ATTENTION_FLAGS_CLASSIFICATION = 1 << 15, |
| RX_ATTENTION_FLAGS_OVERFLOW_ERR = 1 << 16, |
| RX_ATTENTION_FLAGS_MSDU_LENGTH_ERR = 1 << 17, |
| RX_ATTENTION_FLAGS_TCP_UDP_CHKSUM_FAIL = 1 << 18, |
| RX_ATTENTION_FLAGS_IP_CHKSUM_FAIL = 1 << 19, |
| RX_ATTENTION_FLAGS_SA_IDX_INVALID = 1 << 20, |
| RX_ATTENTION_FLAGS_DA_IDX_INVALID = 1 << 21, |
| RX_ATTENTION_FLAGS_SA_IDX_TIMEOUT = 1 << 22, |
| RX_ATTENTION_FLAGS_DA_IDX_TIMEOUT = 1 << 23, |
| RX_ATTENTION_FLAGS_ENCRYPT_REQUIRED = 1 << 24, |
| RX_ATTENTION_FLAGS_DIRECTED = 1 << 25, |
| RX_ATTENTION_FLAGS_BUFFER_FRAGMENT = 1 << 26, |
| RX_ATTENTION_FLAGS_MPDU_LENGTH_ERR = 1 << 27, |
| RX_ATTENTION_FLAGS_TKIP_MIC_ERR = 1 << 28, |
| RX_ATTENTION_FLAGS_DECRYPT_ERR = 1 << 29, |
| RX_ATTENTION_FLAGS_FCS_ERR = 1 << 30, |
| RX_ATTENTION_FLAGS_MSDU_DONE = 1 << 31, |
| }; |
| |
| struct rx_attention { |
| __le32 flags; /* %RX_ATTENTION_FLAGS_ */ |
| } __packed; |
| |
| /* |
| * first_mpdu |
| * Indicates the first MSDU of the PPDU. If both first_mpdu |
| * and last_mpdu are set in the MSDU then this is a not an |
| * A-MPDU frame but a stand alone MPDU. Interior MPDU in an |
| * A-MPDU shall have both first_mpdu and last_mpdu bits set to |
| * 0. The PPDU start status will only be valid when this bit |
| * is set. |
| * |
| * last_mpdu |
| * Indicates the last MSDU of the last MPDU of the PPDU. The |
| * PPDU end status will only be valid when this bit is set. |
| * |
| * mcast_bcast |
| * Multicast / broadcast indicator. Only set when the MAC |
| * address 1 bit 0 is set indicating mcast/bcast and the BSSID |
| * matches one of the 4 BSSID registers. Only set when |
| * first_msdu is set. |
| * |
| * peer_idx_invalid |
| * Indicates no matching entries within the the max search |
| * count. Only set when first_msdu is set. |
| * |
| * peer_idx_timeout |
| * Indicates an unsuccessful search for the peer index due to |
| * timeout. Only set when first_msdu is set. |
| * |
| * power_mgmt |
| * Power management bit set in the 802.11 header. Only set |
| * when first_msdu is set. |
| * |
| * non_qos |
| * Set if packet is not a non-QoS data frame. Only set when |
| * first_msdu is set. |
| * |
| * null_data |
| * Set if frame type indicates either null data or QoS null |
| * data format. Only set when first_msdu is set. |
| * |
| * mgmt_type |
| * Set if packet is a management packet. Only set when |
| * first_msdu is set. |
| * |
| * ctrl_type |
| * Set if packet is a control packet. Only set when first_msdu |
| * is set. |
| * |
| * more_data |
| * Set if more bit in frame control is set. Only set when |
| * first_msdu is set. |
| * |
| * eosp |
| * Set if the EOSP (end of service period) bit in the QoS |
| * control field is set. Only set when first_msdu is set. |
| * |
| * u_apsd_trigger |
| * Set if packet is U-APSD trigger. Key table will have bits |
| * per TID to indicate U-APSD trigger. |
| * |
| * fragment |
| * Indicates that this is an 802.11 fragment frame. This is |
| * set when either the more_frag bit is set in the frame |
| * control or the fragment number is not zero. Only set when |
| * first_msdu is set. |
| * |
| * order |
| * Set if the order bit in the frame control is set. Only set |
| * when first_msdu is set. |
| * |
| * classification |
| * Indicates that this status has a corresponding MSDU that |
| * requires FW processing. The OLE will have classification |
| * ring mask registers which will indicate the ring(s) for |
| * packets and descriptors which need FW attention. |
| * |
| * overflow_err |
| * PCU Receive FIFO does not have enough space to store the |
| * full receive packet. Enough space is reserved in the |
| * receive FIFO for the status is written. This MPDU remaining |
| * packets in the PPDU will be filtered and no Ack response |
| * will be transmitted. |
| * |
| * msdu_length_err |
| * Indicates that the MSDU length from the 802.3 encapsulated |
| * length field extends beyond the MPDU boundary. |
| * |
| * tcp_udp_chksum_fail |
| * Indicates that the computed checksum (tcp_udp_chksum) did |
| * not match the checksum in the TCP/UDP header. |
| * |
| * ip_chksum_fail |
| * Indicates that the computed checksum did not match the |
| * checksum in the IP header. |
| * |
| * sa_idx_invalid |
| * Indicates no matching entry was found in the address search |
| * table for the source MAC address. |
| * |
| * da_idx_invalid |
| * Indicates no matching entry was found in the address search |
| * table for the destination MAC address. |
| * |
| * sa_idx_timeout |
| * Indicates an unsuccessful search for the source MAC address |
| * due to the expiring of the search timer. |
| * |
| * da_idx_timeout |
| * Indicates an unsuccessful search for the destination MAC |
| * address due to the expiring of the search timer. |
| * |
| * encrypt_required |
| * Indicates that this data type frame is not encrypted even if |
| * the policy for this MPDU requires encryption as indicated in |
| * the peer table key type. |
| * |
| * directed |
| * MPDU is a directed packet which means that the RA matched |
| * our STA addresses. In proxySTA it means that the TA matched |
| * an entry in our address search table with the corresponding |
| * 'no_ack' bit is the address search entry cleared. |
| * |
| * buffer_fragment |
| * Indicates that at least one of the rx buffers has been |
| * fragmented. If set the FW should look at the rx_frag_info |
| * descriptor described below. |
| * |
| * mpdu_length_err |
| * Indicates that the MPDU was pre-maturely terminated |
| * resulting in a truncated MPDU. Don't trust the MPDU length |
| * field. |
| * |
| * tkip_mic_err |
| * Indicates that the MPDU Michael integrity check failed |
| * |
| * decrypt_err |
| * Indicates that the MPDU decrypt integrity check failed |
| * |
| * fcs_err |
| * Indicates that the MPDU FCS check failed |
| * |
| * msdu_done |
| * If set indicates that the RX packet data, RX header data, RX |
| * PPDU start descriptor, RX MPDU start/end descriptor, RX MSDU |
| * start/end descriptors and RX Attention descriptor are all |
| * valid. This bit must be in the last octet of the |
| * descriptor. |
| */ |
| |
| struct rx_frag_info { |
| u8 ring0_more_count; |
| u8 ring1_more_count; |
| u8 ring2_more_count; |
| u8 ring3_more_count; |
| } __packed; |
| |
| /* |
| * ring0_more_count |
| * Indicates the number of more buffers associated with RX DMA |
| * ring 0. Field is filled in by the RX_DMA. |
| * |
| * ring1_more_count |
| * Indicates the number of more buffers associated with RX DMA |
| * ring 1. Field is filled in by the RX_DMA. |
| * |
| * ring2_more_count |
| * Indicates the number of more buffers associated with RX DMA |
| * ring 2. Field is filled in by the RX_DMA. |
| * |
| * ring3_more_count |
| * Indicates the number of more buffers associated with RX DMA |
| * ring 3. Field is filled in by the RX_DMA. |
| */ |
| |
| enum htt_rx_mpdu_encrypt_type { |
| HTT_RX_MPDU_ENCRYPT_WEP40 = 0, |
| HTT_RX_MPDU_ENCRYPT_WEP104 = 1, |
| HTT_RX_MPDU_ENCRYPT_TKIP_WITHOUT_MIC = 2, |
| HTT_RX_MPDU_ENCRYPT_WEP128 = 3, |
| HTT_RX_MPDU_ENCRYPT_TKIP_WPA = 4, |
| HTT_RX_MPDU_ENCRYPT_WAPI = 5, |
| HTT_RX_MPDU_ENCRYPT_AES_CCM_WPA2 = 6, |
| HTT_RX_MPDU_ENCRYPT_NONE = 7, |
| }; |
| |
| #define RX_MPDU_START_INFO0_PEER_IDX_MASK 0x000007ff |
| #define RX_MPDU_START_INFO0_PEER_IDX_LSB 0 |
| #define RX_MPDU_START_INFO0_SEQ_NUM_MASK 0x0fff0000 |
| #define RX_MPDU_START_INFO0_SEQ_NUM_LSB 16 |
| #define RX_MPDU_START_INFO0_ENCRYPT_TYPE_MASK 0xf0000000 |
| #define RX_MPDU_START_INFO0_ENCRYPT_TYPE_LSB 28 |
| #define RX_MPDU_START_INFO0_FROM_DS (1 << 11) |
| #define RX_MPDU_START_INFO0_TO_DS (1 << 12) |
| #define RX_MPDU_START_INFO0_ENCRYPTED (1 << 13) |
| #define RX_MPDU_START_INFO0_RETRY (1 << 14) |
| #define RX_MPDU_START_INFO0_TXBF_H_INFO (1 << 15) |
| |
| #define RX_MPDU_START_INFO1_TID_MASK 0xf0000000 |
| #define RX_MPDU_START_INFO1_TID_LSB 28 |
| #define RX_MPDU_START_INFO1_DIRECTED (1 << 16) |
| |
| struct rx_mpdu_start { |
| __le32 info0; |
| union { |
| struct { |
| __le32 pn31_0; |
| __le32 info1; /* %RX_MPDU_START_INFO1_ */ |
| } __packed; |
| struct { |
| u8 pn[6]; |
| } __packed; |
| } __packed; |
| } __packed; |
| |
| /* |
| * peer_idx |
| * The index of the address search table which associated with |
| * the peer table entry corresponding to this MPDU. Only valid |
| * when first_msdu is set. |
| * |
| * fr_ds |
| * Set if the from DS bit is set in the frame control. Only |
| * valid when first_msdu is set. |
| * |
| * to_ds |
| * Set if the to DS bit is set in the frame control. Only |
| * valid when first_msdu is set. |
| * |
| * encrypted |
| * Protected bit from the frame control. Only valid when |
| * first_msdu is set. |
| * |
| * retry |
| * Retry bit from the frame control. Only valid when |
| * first_msdu is set. |
| * |
| * txbf_h_info |
| * The MPDU data will contain H information. Primarily used |
| * for debug. |
| * |
| * seq_num |
| * The sequence number from the 802.11 header. Only valid when |
| * first_msdu is set. |
| * |
| * encrypt_type |
| * Indicates type of decrypt cipher used (as defined in the |
| * peer table) |
| * 0: WEP40 |
| * 1: WEP104 |
| * 2: TKIP without MIC |
| * 3: WEP128 |
| * 4: TKIP (WPA) |
| * 5: WAPI |
| * 6: AES-CCM (WPA2) |
| * 7: No cipher |
| * Only valid when first_msdu_is set |
| * |
| * pn_31_0 |
| * Bits [31:0] of the PN number extracted from the IV field |
| * WEP: IV = {key_id_octet, pn2, pn1, pn0}. Only pn[23:0] is |
| * valid. |
| * TKIP: IV = {pn5, pn4, pn3, pn2, key_id_octet, pn0, |
| * WEPSeed[1], pn1}. Only pn[47:0] is valid. |
| * AES-CCM: IV = {pn5, pn4, pn3, pn2, key_id_octet, 0x0, pn1, |
| * pn0}. Only pn[47:0] is valid. |
| * WAPI: IV = {key_id_octet, 0x0, pn15, pn14, pn13, pn12, pn11, |
| * pn10, pn9, pn8, pn7, pn6, pn5, pn4, pn3, pn2, pn1, pn0}. |
| * The ext_wapi_pn[127:48] in the rx_msdu_misc descriptor and |
| * pn[47:0] are valid. |
| * Only valid when first_msdu is set. |
| * |
| * pn_47_32 |
| * Bits [47:32] of the PN number. See description for |
| * pn_31_0. The remaining PN fields are in the rx_msdu_end |
| * descriptor |
| * |
| * pn |
| * Use this field to access the pn without worrying about |
| * byte-order and bitmasking/bitshifting. |
| * |
| * directed |
| * See definition in RX attention descriptor |
| * |
| * reserved_2 |
| * Reserved: HW should fill with zero. FW should ignore. |
| * |
| * tid |
| * The TID field in the QoS control field |
| */ |
| |
| #define RX_MPDU_END_INFO0_RESERVED_0_MASK 0x00001fff |
| #define RX_MPDU_END_INFO0_RESERVED_0_LSB 0 |
| #define RX_MPDU_END_INFO0_POST_DELIM_CNT_MASK 0x0fff0000 |
| #define RX_MPDU_END_INFO0_POST_DELIM_CNT_LSB 16 |
| #define RX_MPDU_END_INFO0_OVERFLOW_ERR (1 << 13) |
| #define RX_MPDU_END_INFO0_LAST_MPDU (1 << 14) |
| #define RX_MPDU_END_INFO0_POST_DELIM_ERR (1 << 15) |
| #define RX_MPDU_END_INFO0_MPDU_LENGTH_ERR (1 << 28) |
| #define RX_MPDU_END_INFO0_TKIP_MIC_ERR (1 << 29) |
| #define RX_MPDU_END_INFO0_DECRYPT_ERR (1 << 30) |
| #define RX_MPDU_END_INFO0_FCS_ERR (1 << 31) |
| |
| struct rx_mpdu_end { |
| __le32 info0; |
| } __packed; |
| |
| /* |
| * reserved_0 |
| * Reserved |
| * |
| * overflow_err |
| * PCU Receive FIFO does not have enough space to store the |
| * full receive packet. Enough space is reserved in the |
| * receive FIFO for the status is written. This MPDU remaining |
| * packets in the PPDU will be filtered and no Ack response |
| * will be transmitted. |
| * |
| * last_mpdu |
| * Indicates that this is the last MPDU of a PPDU. |
| * |
| * post_delim_err |
| * Indicates that a delimiter FCS error occurred after this |
| * MPDU before the next MPDU. Only valid when last_msdu is |
| * set. |
| * |
| * post_delim_cnt |
| * Count of the delimiters after this MPDU. This requires the |
| * last MPDU to be held until all the EOF descriptors have been |
| * received. This may be inefficient in the future when |
| * ML-MIMO is used. Only valid when last_mpdu is set. |
| * |
| * mpdu_length_err |
| * See definition in RX attention descriptor |
| * |
| * tkip_mic_err |
| * See definition in RX attention descriptor |
| * |
| * decrypt_err |
| * See definition in RX attention descriptor |
| * |
| * fcs_err |
| * See definition in RX attention descriptor |
| */ |
| |
| #define RX_MSDU_START_INFO0_MSDU_LENGTH_MASK 0x00003fff |
| #define RX_MSDU_START_INFO0_MSDU_LENGTH_LSB 0 |
| #define RX_MSDU_START_INFO0_IP_OFFSET_MASK 0x000fc000 |
| #define RX_MSDU_START_INFO0_IP_OFFSET_LSB 14 |
| #define RX_MSDU_START_INFO0_RING_MASK_MASK 0x00f00000 |
| #define RX_MSDU_START_INFO0_RING_MASK_LSB 20 |
| #define RX_MSDU_START_INFO0_TCP_UDP_OFFSET_MASK 0x7f000000 |
| #define RX_MSDU_START_INFO0_TCP_UDP_OFFSET_LSB 24 |
| |
| #define RX_MSDU_START_INFO1_MSDU_NUMBER_MASK 0x000000ff |
| #define RX_MSDU_START_INFO1_MSDU_NUMBER_LSB 0 |
| #define RX_MSDU_START_INFO1_DECAP_FORMAT_MASK 0x00000300 |
| #define RX_MSDU_START_INFO1_DECAP_FORMAT_LSB 8 |
| #define RX_MSDU_START_INFO1_SA_IDX_MASK 0x07ff0000 |
| #define RX_MSDU_START_INFO1_SA_IDX_LSB 16 |
| #define RX_MSDU_START_INFO1_IPV4_PROTO (1 << 10) |
| #define RX_MSDU_START_INFO1_IPV6_PROTO (1 << 11) |
| #define RX_MSDU_START_INFO1_TCP_PROTO (1 << 12) |
| #define RX_MSDU_START_INFO1_UDP_PROTO (1 << 13) |
| #define RX_MSDU_START_INFO1_IP_FRAG (1 << 14) |
| #define RX_MSDU_START_INFO1_TCP_ONLY_ACK (1 << 15) |
| |
| /* The decapped header (rx_hdr_status) contains the following: |
| * a) 802.11 header |
| * [padding to 4 bytes] |
| * b) HW crypto parameter |
| * - 0 bytes for no security |
| * - 4 bytes for WEP |
| * - 8 bytes for TKIP, AES |
| * [padding to 4 bytes] |
| * c) A-MSDU subframe header (14 bytes) if appliable |
| * d) LLC/SNAP (RFC1042, 8 bytes) |
| * |
| * In case of A-MSDU only first frame in sequence contains (a) and (b). */ |
| enum rx_msdu_decap_format { |
| RX_MSDU_DECAP_RAW = 0, |
| |
| /* Note: QoS frames are reported as non-QoS. The rx_hdr_status in |
| * htt_rx_desc contains the original decapped 802.11 header. */ |
| RX_MSDU_DECAP_NATIVE_WIFI = 1, |
| |
| /* Payload contains an ethernet header (struct ethhdr). */ |
| RX_MSDU_DECAP_ETHERNET2_DIX = 2, |
| |
| /* Payload contains two 48-bit addresses and 2-byte length (14 bytes |
| * total), followed by an RFC1042 header (8 bytes). */ |
| RX_MSDU_DECAP_8023_SNAP_LLC = 3 |
| }; |
| |
| struct rx_msdu_start { |
| __le32 info0; /* %RX_MSDU_START_INFO0_ */ |
| __le32 flow_id_crc; |
| __le32 info1; /* %RX_MSDU_START_INFO1_ */ |
| } __packed; |
| |
| /* |
| * msdu_length |
| * MSDU length in bytes after decapsulation. This field is |
| * still valid for MPDU frames without A-MSDU. It still |
| * represents MSDU length after decapsulation |
| * |
| * ip_offset |
| * Indicates the IP offset in bytes from the start of the |
| * packet after decapsulation. Only valid if ipv4_proto or |
| * ipv6_proto is set. |
| * |
| * ring_mask |
| * Indicates the destination RX rings for this MSDU. |
| * |
| * tcp_udp_offset |
| * Indicates the offset in bytes to the start of TCP or UDP |
| * header from the start of the IP header after decapsulation. |
| * Only valid if tcp_prot or udp_prot is set. The value 0 |
| * indicates that the offset is longer than 127 bytes. |
| * |
| * reserved_0c |
| * Reserved: HW should fill with zero. FW should ignore. |
| * |
| * flow_id_crc |
| * The flow_id_crc runs CRC32 on the following information: |
| * IPv4 option: dest_addr[31:0], src_addr [31:0], {24'b0, |
| * protocol[7:0]}. |
| * IPv6 option: dest_addr[127:0], src_addr [127:0], {24'b0, |
| * next_header[7:0]} |
| * UDP case: sort_port[15:0], dest_port[15:0] |
| * TCP case: sort_port[15:0], dest_port[15:0], |
| * {header_length[3:0], 6'b0, flags[5:0], window_size[15:0]}, |
| * {16'b0, urgent_ptr[15:0]}, all options except 32-bit |
| * timestamp. |
| * |
| * msdu_number |
| * Indicates the MSDU number within a MPDU. This value is |
| * reset to zero at the start of each MPDU. If the number of |
| * MSDU exceeds 255 this number will wrap using modulo 256. |
| * |
| * decap_format |
| * Indicates the format after decapsulation: |
| * 0: RAW: No decapsulation |
| * 1: Native WiFi |
| * 2: Ethernet 2 (DIX) |
| * 3: 802.3 (SNAP/LLC) |
| * |
| * ipv4_proto |
| * Set if L2 layer indicates IPv4 protocol. |
| * |
| * ipv6_proto |
| * Set if L2 layer indicates IPv6 protocol. |
| * |
| * tcp_proto |
| * Set if the ipv4_proto or ipv6_proto are set and the IP |
| * protocol indicates TCP. |
| * |
| * udp_proto |
| * Set if the ipv4_proto or ipv6_proto are set and the IP |
| * protocol indicates UDP. |
| * |
| * ip_frag |
| * Indicates that either the IP More frag bit is set or IP frag |
| * number is non-zero. If set indicates that this is a |
| * fragmented IP packet. |
| * |
| * tcp_only_ack |
| * Set if only the TCP Ack bit is set in the TCP flags and if |
| * the TCP payload is 0. |
| * |
| * sa_idx |
| * The offset in the address table which matches the MAC source |
| * address. |
| * |
| * reserved_2b |
| * Reserved: HW should fill with zero. FW should ignore. |
| */ |
| |
| #define RX_MSDU_END_INFO0_REPORTED_MPDU_LENGTH_MASK 0x00003fff |
| #define RX_MSDU_END_INFO0_REPORTED_MPDU_LENGTH_LSB 0 |
| #define RX_MSDU_END_INFO0_FIRST_MSDU (1 << 14) |
| #define RX_MSDU_END_INFO0_LAST_MSDU (1 << 15) |
| #define RX_MSDU_END_INFO0_PRE_DELIM_ERR (1 << 30) |
| #define RX_MSDU_END_INFO0_RESERVED_3B (1 << 31) |
| |
| struct rx_msdu_end { |
| __le16 ip_hdr_cksum; |
| __le16 tcp_hdr_cksum; |
| u8 key_id_octet; |
| u8 classification_filter; |
| u8 wapi_pn[10]; |
| __le32 info0; |
| } __packed; |
| |
| /* |
| *ip_hdr_chksum |
| * This can include the IP header checksum or the pseudo header |
| * checksum used by TCP/UDP checksum. |
| * |
| *tcp_udp_chksum |
| * The value of the computed TCP/UDP checksum. A mode bit |
| * selects whether this checksum is the full checksum or the |
| * partial checksum which does not include the pseudo header. |
| * |
| *key_id_octet |
| * The key ID octet from the IV. Only valid when first_msdu is |
| * set. |
| * |
| *classification_filter |
| * Indicates the number classification filter rule |
| * |
| *ext_wapi_pn_63_48 |
| * Extension PN (packet number) which is only used by WAPI. |
| * This corresponds to WAPI PN bits [63:48] (pn6 and pn7). The |
| * WAPI PN bits [63:0] are in the pn field of the rx_mpdu_start |
| * descriptor. |
| * |
| *ext_wapi_pn_95_64 |
| * Extension PN (packet number) which is only used by WAPI. |
| * This corresponds to WAPI PN bits [95:64] (pn8, pn9, pn10 and |
| * pn11). |
| * |
| *ext_wapi_pn_127_96 |
| * Extension PN (packet number) which is only used by WAPI. |
| * This corresponds to WAPI PN bits [127:96] (pn12, pn13, pn14, |
| * pn15). |
| * |
| *reported_mpdu_length |
| * MPDU length before decapsulation. Only valid when |
| * first_msdu is set. This field is taken directly from the |
| * length field of the A-MPDU delimiter or the preamble length |
| * field for non-A-MPDU frames. |
| * |
| *first_msdu |
| * Indicates the first MSDU of A-MSDU. If both first_msdu and |
| * last_msdu are set in the MSDU then this is a non-aggregated |
| * MSDU frame: normal MPDU. Interior MSDU in an A-MSDU shall |
| * have both first_mpdu and last_mpdu bits set to 0. |
| * |
| *last_msdu |
| * Indicates the last MSDU of the A-MSDU. MPDU end status is |
| * only valid when last_msdu is set. |
| * |
| *reserved_3a |
| * Reserved: HW should fill with zero. FW should ignore. |
| * |
| *pre_delim_err |
| * Indicates that the first delimiter had a FCS failure. Only |
| * valid when first_mpdu and first_msdu are set. |
| * |
| *reserved_3b |
| * Reserved: HW should fill with zero. FW should ignore. |
| */ |
| |
| #define RX_PPDU_START_SIG_RATE_SELECT_OFDM 0 |
| #define RX_PPDU_START_SIG_RATE_SELECT_CCK 1 |
| |
| #define RX_PPDU_START_SIG_RATE_OFDM_48 0 |
| #define RX_PPDU_START_SIG_RATE_OFDM_24 1 |
| #define RX_PPDU_START_SIG_RATE_OFDM_12 2 |
| #define RX_PPDU_START_SIG_RATE_OFDM_6 3 |
| #define RX_PPDU_START_SIG_RATE_OFDM_54 4 |
| #define RX_PPDU_START_SIG_RATE_OFDM_36 5 |
| #define RX_PPDU_START_SIG_RATE_OFDM_18 6 |
| #define RX_PPDU_START_SIG_RATE_OFDM_9 7 |
| |
| #define RX_PPDU_START_SIG_RATE_CCK_LP_11 0 |
| #define RX_PPDU_START_SIG_RATE_CCK_LP_5_5 1 |
| #define RX_PPDU_START_SIG_RATE_CCK_LP_2 2 |
| #define RX_PPDU_START_SIG_RATE_CCK_LP_1 3 |
| #define RX_PPDU_START_SIG_RATE_CCK_SP_11 4 |
| #define RX_PPDU_START_SIG_RATE_CCK_SP_5_5 5 |
| #define RX_PPDU_START_SIG_RATE_CCK_SP_2 6 |
| |
| #define HTT_RX_PPDU_START_PREAMBLE_LEGACY 0x04 |
| #define HTT_RX_PPDU_START_PREAMBLE_HT 0x08 |
| #define HTT_RX_PPDU_START_PREAMBLE_HT_WITH_TXBF 0x09 |
| #define HTT_RX_PPDU_START_PREAMBLE_VHT 0x0C |
| #define HTT_RX_PPDU_START_PREAMBLE_VHT_WITH_TXBF 0x0D |
| |
| #define RX_PPDU_START_INFO0_IS_GREENFIELD (1 << 0) |
| |
| #define RX_PPDU_START_INFO1_L_SIG_RATE_MASK 0x0000000f |
| #define RX_PPDU_START_INFO1_L_SIG_RATE_LSB 0 |
| #define RX_PPDU_START_INFO1_L_SIG_LENGTH_MASK 0x0001ffe0 |
| #define RX_PPDU_START_INFO1_L_SIG_LENGTH_LSB 5 |
| #define RX_PPDU_START_INFO1_L_SIG_TAIL_MASK 0x00fc0000 |
| #define RX_PPDU_START_INFO1_L_SIG_TAIL_LSB 18 |
| #define RX_PPDU_START_INFO1_PREAMBLE_TYPE_MASK 0xff000000 |
| #define RX_PPDU_START_INFO1_PREAMBLE_TYPE_LSB 24 |
| #define RX_PPDU_START_INFO1_L_SIG_RATE_SELECT (1 << 4) |
| #define RX_PPDU_START_INFO1_L_SIG_PARITY (1 << 17) |
| |
| #define RX_PPDU_START_INFO2_HT_SIG_VHT_SIG_A_1_MASK 0x00ffffff |
| #define RX_PPDU_START_INFO2_HT_SIG_VHT_SIG_A_1_LSB 0 |
| |
| #define RX_PPDU_START_INFO3_HT_SIG_VHT_SIG_A_2_MASK 0x00ffffff |
| #define RX_PPDU_START_INFO3_HT_SIG_VHT_SIG_A_2_LSB 0 |
| #define RX_PPDU_START_INFO3_TXBF_H_INFO (1 << 24) |
| |
| #define RX_PPDU_START_INFO4_VHT_SIG_B_MASK 0x1fffffff |
| #define RX_PPDU_START_INFO4_VHT_SIG_B_LSB 0 |
| |
| #define RX_PPDU_START_INFO5_SERVICE_MASK 0x0000ffff |
| #define RX_PPDU_START_INFO5_SERVICE_LSB 0 |
| |
| struct rx_ppdu_start { |
| struct { |
| u8 pri20_mhz; |
| u8 ext20_mhz; |
| u8 ext40_mhz; |
| u8 ext80_mhz; |
| } rssi_chains[4]; |
| u8 rssi_comb; |
| __le16 rsvd0; |
| u8 info0; /* %RX_PPDU_START_INFO0_ */ |
| __le32 info1; /* %RX_PPDU_START_INFO1_ */ |
| __le32 info2; /* %RX_PPDU_START_INFO2_ */ |
| __le32 info3; /* %RX_PPDU_START_INFO3_ */ |
| __le32 info4; /* %RX_PPDU_START_INFO4_ */ |
| __le32 info5; /* %RX_PPDU_START_INFO5_ */ |
| } __packed; |
| |
| /* |
| * rssi_chain0_pri20 |
| * RSSI of RX PPDU on chain 0 of primary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain0_sec20 |
| * RSSI of RX PPDU on chain 0 of secondary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain0_sec40 |
| * RSSI of RX PPDU on chain 0 of secondary 40 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain0_sec80 |
| * RSSI of RX PPDU on chain 0 of secondary 80 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain1_pri20 |
| * RSSI of RX PPDU on chain 1 of primary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain1_sec20 |
| * RSSI of RX PPDU on chain 1 of secondary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain1_sec40 |
| * RSSI of RX PPDU on chain 1 of secondary 40 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain1_sec80 |
| * RSSI of RX PPDU on chain 1 of secondary 80 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain2_pri20 |
| * RSSI of RX PPDU on chain 2 of primary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain2_sec20 |
| * RSSI of RX PPDU on chain 2 of secondary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain2_sec40 |
| * RSSI of RX PPDU on chain 2 of secondary 40 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain2_sec80 |
| * RSSI of RX PPDU on chain 2 of secondary 80 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain3_pri20 |
| * RSSI of RX PPDU on chain 3 of primary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain3_sec20 |
| * RSSI of RX PPDU on chain 3 of secondary 20 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain3_sec40 |
| * RSSI of RX PPDU on chain 3 of secondary 40 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_chain3_sec80 |
| * RSSI of RX PPDU on chain 3 of secondary 80 MHz bandwidth. |
| * Value of 0x80 indicates invalid. |
| * |
| * rssi_comb |
| * The combined RSSI of RX PPDU of all active chains and |
| * bandwidths. Value of 0x80 indicates invalid. |
| * |
| * reserved_4a |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * is_greenfield |
| * Do we really support this? |
| * |
| * reserved_4b |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * l_sig_rate |
| * If l_sig_rate_select is 0: |
| * 0x8: OFDM 48 Mbps |
| * 0x9: OFDM 24 Mbps |
| * 0xA: OFDM 12 Mbps |
| * 0xB: OFDM 6 Mbps |
| * 0xC: OFDM 54 Mbps |
| * 0xD: OFDM 36 Mbps |
| * 0xE: OFDM 18 Mbps |
| * 0xF: OFDM 9 Mbps |
| * If l_sig_rate_select is 1: |
| * 0x8: CCK 11 Mbps long preamble |
| * 0x9: CCK 5.5 Mbps long preamble |
| * 0xA: CCK 2 Mbps long preamble |
| * 0xB: CCK 1 Mbps long preamble |
| * 0xC: CCK 11 Mbps short preamble |
| * 0xD: CCK 5.5 Mbps short preamble |
| * 0xE: CCK 2 Mbps short preamble |
| * |
| * l_sig_rate_select |
| * Legacy signal rate select. If set then l_sig_rate indicates |
| * CCK rates. If clear then l_sig_rate indicates OFDM rates. |
| * |
| * l_sig_length |
| * Length of legacy frame in octets. |
| * |
| * l_sig_parity |
| * Odd parity over l_sig_rate and l_sig_length |
| * |
| * l_sig_tail |
| * Tail bits for Viterbi decoder |
| * |
| * preamble_type |
| * Indicates the type of preamble ahead: |
| * 0x4: Legacy (OFDM/CCK) |
| * 0x8: HT |
| * 0x9: HT with TxBF |
| * 0xC: VHT |
| * 0xD: VHT with TxBF |
| * 0x80 - 0xFF: Reserved for special baseband data types such |
| * as radar and spectral scan. |
| * |
| * ht_sig_vht_sig_a_1 |
| * If preamble_type == 0x8 or 0x9 |
| * HT-SIG (first 24 bits) |
| * If preamble_type == 0xC or 0xD |
| * VHT-SIG A (first 24 bits) |
| * Else |
| * Reserved |
| * |
| * reserved_6 |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * ht_sig_vht_sig_a_2 |
| * If preamble_type == 0x8 or 0x9 |
| * HT-SIG (last 24 bits) |
| * If preamble_type == 0xC or 0xD |
| * VHT-SIG A (last 24 bits) |
| * Else |
| * Reserved |
| * |
| * txbf_h_info |
| * Indicates that the packet data carries H information which |
| * is used for TxBF debug. |
| * |
| * reserved_7 |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * vht_sig_b |
| * WiFi 1.0 and WiFi 2.0 will likely have this field to be all |
| * 0s since the BB does not plan on decoding VHT SIG-B. |
| * |
| * reserved_8 |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * service |
| * Service field from BB for OFDM, HT and VHT packets. CCK |
| * packets will have service field of 0. |
| * |
| * reserved_9 |
| * Reserved: HW should fill with 0, FW should ignore. |
| */ |
| |
| #define RX_PPDU_END_FLAGS_PHY_ERR (1 << 0) |
| #define RX_PPDU_END_FLAGS_RX_LOCATION (1 << 1) |
| #define RX_PPDU_END_FLAGS_TXBF_H_INFO (1 << 2) |
| |
| #define RX_PPDU_END_INFO0_RX_ANTENNA_MASK 0x00ffffff |
| #define RX_PPDU_END_INFO0_RX_ANTENNA_LSB 0 |
| #define RX_PPDU_END_INFO0_FLAGS_TX_HT_VHT_ACK (1 << 24) |
| #define RX_PPDU_END_INFO0_BB_CAPTURED_CHANNEL (1 << 25) |
| |
| #define RX_PPDU_END_INFO1_PPDU_DONE (1 << 15) |
| |
| struct rx_ppdu_end_common { |
| __le32 evm_p0; |
| __le32 evm_p1; |
| __le32 evm_p2; |
| __le32 evm_p3; |
| __le32 evm_p4; |
| __le32 evm_p5; |
| __le32 evm_p6; |
| __le32 evm_p7; |
| __le32 evm_p8; |
| __le32 evm_p9; |
| __le32 evm_p10; |
| __le32 evm_p11; |
| __le32 evm_p12; |
| __le32 evm_p13; |
| __le32 evm_p14; |
| __le32 evm_p15; |
| __le32 tsf_timestamp; |
| __le32 wb_timestamp; |
| u8 locationing_timestamp; |
| u8 phy_err_code; |
| __le16 flags; /* %RX_PPDU_END_FLAGS_ */ |
| __le32 info0; /* %RX_PPDU_END_INFO0_ */ |
| } __packed; |
| |
| struct rx_ppdu_end_qca988x { |
| __le16 bb_length; |
| __le16 info1; /* %RX_PPDU_END_INFO1_ */ |
| } __packed; |
| |
| #define RX_PPDU_END_RTT_CORRELATION_VALUE_MASK 0x00ffffff |
| #define RX_PPDU_END_RTT_CORRELATION_VALUE_LSB 0 |
| #define RX_PPDU_END_RTT_UNUSED_MASK 0x7f000000 |
| #define RX_PPDU_END_RTT_UNUSED_LSB 24 |
| #define RX_PPDU_END_RTT_NORMAL_MODE BIT(31) |
| |
| struct rx_ppdu_end_qca6174 { |
| __le32 rtt; /* %RX_PPDU_END_RTT_ */ |
| __le16 bb_length; |
| __le16 info1; /* %RX_PPDU_END_INFO1_ */ |
| } __packed; |
| |
| struct rx_ppdu_end { |
| struct rx_ppdu_end_common common; |
| union { |
| struct rx_ppdu_end_qca988x qca988x; |
| struct rx_ppdu_end_qca6174 qca6174; |
| } __packed; |
| } __packed; |
| |
| /* |
| * evm_p0 |
| * EVM for pilot 0. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p1 |
| * EVM for pilot 1. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p2 |
| * EVM for pilot 2. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p3 |
| * EVM for pilot 3. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p4 |
| * EVM for pilot 4. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p5 |
| * EVM for pilot 5. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p6 |
| * EVM for pilot 6. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p7 |
| * EVM for pilot 7. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p8 |
| * EVM for pilot 8. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p9 |
| * EVM for pilot 9. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p10 |
| * EVM for pilot 10. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p11 |
| * EVM for pilot 11. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p12 |
| * EVM for pilot 12. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p13 |
| * EVM for pilot 13. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p14 |
| * EVM for pilot 14. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * evm_p15 |
| * EVM for pilot 15. Contain EVM for streams: 0, 1, 2 and 3. |
| * |
| * tsf_timestamp |
| * Receive TSF timestamp sampled on the rising edge of |
| * rx_clear. For PHY errors this may be the current TSF when |
| * phy_error is asserted if the rx_clear does not assert before |
| * the end of the PHY error. |
| * |
| * wb_timestamp |
| * WLAN/BT timestamp is a 1 usec resolution timestamp which |
| * does not get updated based on receive beacon like TSF. The |
| * same rules for capturing tsf_timestamp are used to capture |
| * the wb_timestamp. |
| * |
| * locationing_timestamp |
| * Timestamp used for locationing. This timestamp is used to |
| * indicate fractions of usec. For example if the MAC clock is |
| * running at 80 MHz, the timestamp will increment every 12.5 |
| * nsec. The value starts at 0 and increments to 79 and |
| * returns to 0 and repeats. This information is valid for |
| * every PPDU. This information can be used in conjunction |
| * with wb_timestamp to capture large delta times. |
| * |
| * phy_err_code |
| * See the 1.10.8.1.2 for the list of the PHY error codes. |
| * |
| * phy_err |
| * Indicates a PHY error was detected for this PPDU. |
| * |
| * rx_location |
| * Indicates that location information was requested. |
| * |
| * txbf_h_info |
| * Indicates that the packet data carries H information which |
| * is used for TxBF debug. |
| * |
| * reserved_18 |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * rx_antenna |
| * Receive antenna value |
| * |
| * tx_ht_vht_ack |
| * Indicates that a HT or VHT Ack/BA frame was transmitted in |
| * response to this receive packet. |
| * |
| * bb_captured_channel |
| * Indicates that the BB has captured a channel dump. FW can |
| * then read the channel dump memory. This may indicate that |
| * the channel was captured either based on PCU setting the |
| * capture_channel bit BB descriptor or FW setting the |
| * capture_channel mode bit. |
| * |
| * reserved_19 |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * bb_length |
| * Indicates the number of bytes of baseband information for |
| * PPDUs where the BB descriptor preamble type is 0x80 to 0xFF |
| * which indicates that this is not a normal PPDU but rather |
| * contains baseband debug information. |
| * |
| * reserved_20 |
| * Reserved: HW should fill with 0, FW should ignore. |
| * |
| * ppdu_done |
| * PPDU end status is only valid when ppdu_done bit is set. |
| * Every time HW sets this bit in memory FW/SW must clear this |
| * bit in memory. FW will initialize all the ppdu_done dword |
| * to 0. |
| */ |
| |
| #define FW_RX_DESC_INFO0_DISCARD (1 << 0) |
| #define FW_RX_DESC_INFO0_FORWARD (1 << 1) |
| #define FW_RX_DESC_INFO0_INSPECT (1 << 5) |
| #define FW_RX_DESC_INFO0_EXT_MASK 0xC0 |
| #define FW_RX_DESC_INFO0_EXT_LSB 6 |
| |
| struct fw_rx_desc_base { |
| u8 info0; |
| } __packed; |
| |
| #endif /* _RX_DESC_H_ */ |
